lifespan
Birth to death
Lifespan is the length of time something lives or exists.
For organisms, it's the duration from birth to death: The average human lifespan has increased dramatically over the past century.
The word extends to objects and abstractions: the lifespan of a battery, the lifespan of a trend.
Also spelled life span.
Duration of existence
- anti-agingCounteracting effects of time
- immortalityExemption from death
- rejuvenationRestoration of youthful vigor
- cryonicsFreezing bodies for revival
gerontology · centenarian · supercentenarian · Methuselah · caloric restriction · telomerase · supplements · biohacking
Duration of existence
- yearsTwelve-month spans
- decadesTen-year periods
- centuriesHundred-year periods
- timespanBounded stretch of time
interval · period · length · extent · brevity · fleeting · ephemeral · prolonged
Living biological entity
- speciesFinest taxonomic rank
- cellBasic unit of life
- generationAge-defined peer group
- reproductionCopying or procreation
senescence · telomeres · metabolism · genetics · DNA · aging · cellular · mitosis
Resistance to wear
- warrantyFormal repair promise
- obsolescenceState of becoming disused
- expirationEnd of validity
- replacementWhat takes another's place
wear · degradation · maintenance · battery · lightbulb · appliance · vehicle · infrastructure
Coming into the world
- infancyEarliest period of life
- childhoodLife's earliest phase
- adolescenceTeenage developmental stage
- adulthoodState of being grown
elderhood · maturation · development · milestones · puberty · menopause · senility · dotage
longevity
Duration of existence
- anti-agingCounteracting effects of time
- immortalityExemption from death
- rejuvenationRestoration of youthful vigor
cryonics · gerontology · centenarian · supercentenarian · Methuselah · caloric restriction · telomerase · supplements · biohacking · diet
longevity
Duration of existence
timespan · interval · period · length · extent · brevity · fleeting · ephemeral · prolonged · extended
organism
Living biological entity
- speciesFinest taxonomic rank
- cellBasic unit of life
- generationAge-defined peer group
reproduction · senescence · telomeres · metabolism · genetics · DNA · aging · cellular · mitosis · apoptosis
durability
Resistance to wear
- warrantyFormal repair promise
- obsolescenceState of becoming disused
- expirationEnd of validity
replacement · wear · degradation · maintenance · battery · lightbulb · appliance · vehicle · infrastructure · decay
birth
Coming into the world
- infancyEarliest period of life
- childhoodLife's earliest phase
- adolescenceTeenage developmental stage
adulthood · elderhood · maturation · development · milestones · puberty · menopause · senility · dotage · prime
death
Cessation of life
- dyingCeasing to live
- expirationEnd of validity
- endFinal portion or cessation
finite · terminal · decline · deterioration · demise · passing · countdown · remaining · numbered · curtailed
- agesinfant, child, kid, teen, adult
- stellar propertiesluminosity, surface temperature, magnitude, brightness, stellar wind
- spanswingspan, handspan
- life historyreproductive strategy, parental care, fecundity, litter size, longevity
- lighting specslumens, lux, wattage, watts, candela
- timesecond, minute, hour, day, seconds
lifespanmoment
Brief period of time
instant · flash · split second · blink of an eye · nanosecond
lifespandeath
Cessation of life
nonexistence · afterlife · oblivion · extinction · cessation
- short lifespanLimited time alive